/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 17:48:03,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 17:48:03,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 17:48:03,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 17:48:03,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 17:48:03,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 17:48:03,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 17:48:03,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 17:48:03,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 17:48:03,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 17:48:03,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 17:48:03,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 17:48:03,305 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 17:48:03,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 17:48:03,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 17:48:03,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 17:48:03,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 17:48:03,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 17:48:03,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 17:48:03,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 17:48:03,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 17:48:03,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 17:48:03,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 17:48:03,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 17:48:03,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 17:48:03,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 17:48:03,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 17:48:03,318 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 17:48:03,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 17:48:03,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 17:48:03,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 17:48:03,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 17:48:03,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 17:48:03,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 17:48:03,320 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 17:48:03,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 17:48:03,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 17:48:03,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 17:48:03,342 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 17:48:03,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-05-05 17:48:03,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 17:48:03,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 17:48:03,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 17:48:03,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 17:48:03,572 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 17:48:03,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-05-05 17:48:04,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 17:48:04,849 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 17:48:04,849 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-05-05 17:48:04,855 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d84c8fd65/2e93285228b5432e98db7268ccc041ba/FLAG78670a1d9 [2024-05-05 17:48:04,867 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d84c8fd65/2e93285228b5432e98db7268ccc041ba [2024-05-05 17:48:04,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 17:48:04,871 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 17:48:04,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 17:48:04,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 17:48:04,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 17:48:04,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 05:48:04" (1/1) ... [2024-05-05 17:48:04,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbf81ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:04, skipping insertion in model container [2024-05-05 17:48:04,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 05:48:04" (1/1) ... [2024-05-05 17:48:04,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 17:48:05,063 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2024-05-05 17:48:05,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 17:48:05,080 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 17:48:05,112 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2024-05-05 17:48:05,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 17:48:05,127 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 17:48:05,127 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 17:48:05,132 INFO L206 MainTranslator]: Completed translation [2024-05-05 17:48:05,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05 WrapperNode [2024-05-05 17:48:05,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 17:48:05,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 17:48:05,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 17:48:05,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 17:48:05,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,193 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 331 [2024-05-05 17:48:05,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 17:48:05,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 17:48:05,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 17:48:05,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 17:48:05,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 17:48:05,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 17:48:05,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 17:48:05,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 17:48:05,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (1/1) ... [2024-05-05 17:48:05,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 17:48:05,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:05,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 17:48:05,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 17:48:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 17:48:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 17:48:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 17:48:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 17:48:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 17:48:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 17:48:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 17:48:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 17:48:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 17:48:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 17:48:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-05 17:48:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-05 17:48:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 17:48:05,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 17:48:05,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 17:48:05,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 17:48:05,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 17:48:05,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 17:48:05,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 17:48:05,307 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 17:48:05,415 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 17:48:05,416 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 17:48:05,732 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 17:48:05,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 17:48:05,848 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-05-05 17:48:05,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 05:48:05 BoogieIcfgContainer [2024-05-05 17:48:05,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 17:48:05,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 17:48:05,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 17:48:05,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 17:48:05,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 05:48:04" (1/3) ... [2024-05-05 17:48:05,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1a186a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 05:48:05, skipping insertion in model container [2024-05-05 17:48:05,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:48:05" (2/3) ... [2024-05-05 17:48:05,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1a186a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 05:48:05, skipping insertion in model container [2024-05-05 17:48:05,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 05:48:05" (3/3) ... [2024-05-05 17:48:05,856 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-05-05 17:48:05,863 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 17:48:05,869 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 17:48:05,869 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 17:48:05,870 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 17:48:05,932 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-05 17:48:05,979 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 17:48:05,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 17:48:05,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:05,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 17:48:05,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 17:48:06,014 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 17:48:06,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:06,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 17:48:06,036 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53af5428, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-05 17:48:06,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-05 17:48:06,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:06,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:06,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1271362937, now seen corresponding path program 1 times [2024-05-05 17:48:06,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:06,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180043843] [2024-05-05 17:48:06,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:06,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-05-05 17:48:07,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:07,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180043843] [2024-05-05 17:48:07,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180043843] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 17:48:07,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 17:48:07,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 17:48:07,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506022294] [2024-05-05 17:48:07,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 17:48:07,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 17:48:07,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:07,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 17:48:07,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 17:48:07,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:07,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:07,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:07,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:07,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 17:48:07,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:07,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1579313041, now seen corresponding path program 1 times [2024-05-05 17:48:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646673757] [2024-05-05 17:48:07,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:07,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-05-05 17:48:08,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:08,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646673757] [2024-05-05 17:48:08,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646673757] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 17:48:08,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 17:48:08,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 17:48:08,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663571400] [2024-05-05 17:48:08,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 17:48:08,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 17:48:08,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 17:48:08,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-05 17:48:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:08,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:08,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.5) internal successors, (213), 6 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:08,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:08,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:08,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:08,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:08,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 17:48:08,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:08,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:08,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1540839696, now seen corresponding path program 1 times [2024-05-05 17:48:08,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:08,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308900012] [2024-05-05 17:48:08,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:08,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-05-05 17:48:09,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:09,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308900012] [2024-05-05 17:48:09,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308900012] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 17:48:09,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 17:48:09,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 17:48:09,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164831125] [2024-05-05 17:48:09,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 17:48:09,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 17:48:09,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:09,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 17:48:09,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-05 17:48:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:09,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:09,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:09,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:09,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 17:48:09,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:09,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:09,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1110417179, now seen corresponding path program 1 times [2024-05-05 17:48:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:09,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416999382] [2024-05-05 17:48:09,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:09,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 62 proven. 78 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-05-05 17:48:10,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:10,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416999382] [2024-05-05 17:48:10,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416999382] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:10,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092263276] [2024-05-05 17:48:10,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:10,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:10,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:10,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:10,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 17:48:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:10,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-05 17:48:10,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:10,757 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 142 proven. 1 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-05-05 17:48:10,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 132 proven. 11 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-05-05 17:48:11,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092263276] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:11,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:11,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-05-05 17:48:11,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776012351] [2024-05-05 17:48:11,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:11,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-05 17:48:11,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:11,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-05 17:48:11,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-05-05 17:48:11,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:11,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:11,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 19.318181818181817) internal successors, (425), 22 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:11,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:11,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:11,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:11,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:11,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:11,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-05 17:48:12,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:12,139 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:12,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:12,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1812279643, now seen corresponding path program 2 times [2024-05-05 17:48:12,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:12,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819980444] [2024-05-05 17:48:12,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:12,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 65 proven. 117 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-05-05 17:48:12,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:12,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819980444] [2024-05-05 17:48:12,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819980444] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:12,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824934370] [2024-05-05 17:48:12,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 17:48:12,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:12,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:12,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:12,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 17:48:13,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 17:48:13,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:48:13,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-05 17:48:13,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 301 proven. 10 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-05-05 17:48:13,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 53 proven. 258 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-05-05 17:48:14,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824934370] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:14,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:14,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 14] total 36 [2024-05-05 17:48:14,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93884882] [2024-05-05 17:48:14,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:14,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-05-05 17:48:14,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:14,420 INFO L85 PathProgramCache]: Analyzing trace with hash 875214585, now seen corresponding path program 1 times [2024-05-05 17:48:14,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:14,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:14,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 17:48:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:14,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1464209193, now seen corresponding path program 1 times [2024-05-05 17:48:14,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:14,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 17:48:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:14,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 17:48:15,251 INFO L85 PathProgramCache]: Analyzing trace with hash 505577575, now seen corresponding path program 2 times [2024-05-05 17:48:15,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:15,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-05 17:48:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:15,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-05 17:48:16,270 INFO L85 PathProgramCache]: Analyzing trace with hash -701807225, now seen corresponding path program 3 times [2024-05-05 17:48:16,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:16,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-05 17:48:16,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:16,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-05 17:48:17,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-05 17:48:17,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1817, Unknown=0, NotChecked=0, Total=2070 [2024-05-05 17:48:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:17,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:17,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 18.864864864864863) internal successors, (698), 38 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:18,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:18,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 17:48:18,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-05-05 17:48:18,482 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:18,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:18,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1415164300, now seen corresponding path program 3 times [2024-05-05 17:48:18,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:18,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244059530] [2024-05-05 17:48:18,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:18,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 49 proven. 146 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-05-05 17:48:19,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:19,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244059530] [2024-05-05 17:48:19,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244059530] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:19,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134002809] [2024-05-05 17:48:19,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 17:48:19,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:19,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:19,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:19,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 17:48:19,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-05 17:48:19,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:48:19,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-05 17:48:19,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 135 proven. 51 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-05-05 17:48:20,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 21 proven. 165 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-05-05 17:48:21,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134002809] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:21,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:21,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 24, 22] total 56 [2024-05-05 17:48:21,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504920747] [2024-05-05 17:48:21,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:21,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-05-05 17:48:21,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:21,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-05-05 17:48:21,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1113466326, now seen corresponding path program 4 times [2024-05-05 17:48:21,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:21,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:22,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 17:48:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:22,362 INFO L85 PathProgramCache]: Analyzing trace with hash 157718610, now seen corresponding path program 5 times [2024-05-05 17:48:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:22,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:22,483 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-05-05 17:48:22,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:22,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-05-05 17:48:22,831 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 17:48:22,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 20 [2024-05-05 17:48:23,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1738588907, now seen corresponding path program 6 times [2024-05-05 17:48:23,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:23,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 11 proven. 58 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-05 17:48:23,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:23,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 11 proven. 58 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-05 17:48:24,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-05 17:48:24,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=3459, Unknown=0, NotChecked=0, Total=3906 [2024-05-05 17:48:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:24,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:24,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 57 states have (on average 12.947368421052632) internal successors, (738), 58 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:24,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:24,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:24,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:24,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:24,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:24,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:25,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 17:48:25,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 17:48:25,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-05 17:48:25,601 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:25,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:25,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1696666495, now seen corresponding path program 4 times [2024-05-05 17:48:25,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:25,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840059050] [2024-05-05 17:48:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:25,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 89 proven. 154 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-05 17:48:26,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:26,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840059050] [2024-05-05 17:48:26,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840059050] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:26,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096468502] [2024-05-05 17:48:26,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 17:48:26,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:26,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:26,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:26,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 17:48:26,434 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 17:48:26,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:48:26,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-05 17:48:26,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 192 proven. 52 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-05-05 17:48:27,234 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:27,748 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-05 17:48:27,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-05-05 17:48:28,156 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 72 proven. 172 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-05-05 17:48:28,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096468502] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:28,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:28,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2024-05-05 17:48:28,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466399482] [2024-05-05 17:48:28,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:28,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-05 17:48:28,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:28,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-05 17:48:28,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=1743, Unknown=0, NotChecked=0, Total=2070 [2024-05-05 17:48:28,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:28,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:28,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 10.173913043478262) internal successors, (468), 46 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:28,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:28,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:28,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:28,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:28,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:28,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 17:48:28,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 17:48:28,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:28,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-05 17:48:29,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:29,173 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:29,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:29,174 INFO L85 PathProgramCache]: Analyzing trace with hash 217554314, now seen corresponding path program 5 times [2024-05-05 17:48:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:29,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434256047] [2024-05-05 17:48:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:29,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 140 proven. 147 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-05-05 17:48:29,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:29,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434256047] [2024-05-05 17:48:29,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434256047] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:29,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176408498] [2024-05-05 17:48:29,851 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 17:48:29,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:29,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:29,853 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:29,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 17:48:30,059 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-05-05 17:48:30,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:48:30,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-05 17:48:30,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 164 proven. 16 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-05-05 17:48:30,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 165 proven. 15 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-05-05 17:48:30,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176408498] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:30,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:30,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 8, 8] total 32 [2024-05-05 17:48:30,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665621057] [2024-05-05 17:48:30,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:30,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-05-05 17:48:30,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:30,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-05-05 17:48:30,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1969782784, now seen corresponding path program 7 times [2024-05-05 17:48:30,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:30,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:30,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 17:48:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:31,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-05-05 17:48:31,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=927, Unknown=0, NotChecked=0, Total=1056 [2024-05-05 17:48:31,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:31,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:31,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 14.5625) internal successors, (466), 32 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 17:48:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:31,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:32,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:48:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:48:32,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 17:48:32,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:32,808 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:32,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:32,809 INFO L85 PathProgramCache]: Analyzing trace with hash -405810999, now seen corresponding path program 6 times [2024-05-05 17:48:32,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:32,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342833225] [2024-05-05 17:48:32,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:32,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 122 proven. 455 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-05-05 17:48:33,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:33,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342833225] [2024-05-05 17:48:33,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342833225] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:33,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684406865] [2024-05-05 17:48:33,713 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 17:48:33,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:33,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:33,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:33,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-05 17:48:34,412 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-05 17:48:34,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:48:34,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-05 17:48:34,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:34,578 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 344 proven. 14 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-05-05 17:48:34,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:34,979 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 328 proven. 52 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-05-05 17:48:34,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684406865] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:34,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:34,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 7, 11] total 35 [2024-05-05 17:48:34,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599391371] [2024-05-05 17:48:34,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:34,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-05 17:48:34,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:35,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-05 17:48:35,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1041, Unknown=0, NotChecked=0, Total=1190 [2024-05-05 17:48:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:35,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:35,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 15.257142857142858) internal successors, (534), 35 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:35,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:48:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:48:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:48:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:48:36,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-05 17:48:36,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-05 17:48:36,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-05-05 17:48:36,680 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:36,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:36,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1688796987, now seen corresponding path program 7 times [2024-05-05 17:48:36,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:36,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790763723] [2024-05-05 17:48:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:36,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 214 proven. 670 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-05-05 17:48:37,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:37,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790763723] [2024-05-05 17:48:37,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790763723] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:37,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33278274] [2024-05-05 17:48:37,907 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 17:48:37,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:37,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:37,913 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:37,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-05 17:48:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:38,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-05 17:48:38,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 962 proven. 126 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-05-05 17:48:39,219 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 781 proven. 307 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-05-05 17:48:40,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33278274] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:40,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:40,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-05-05 17:48:40,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248352243] [2024-05-05 17:48:40,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:40,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-05-05 17:48:40,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:40,346 INFO L85 PathProgramCache]: Analyzing trace with hash -600909654, now seen corresponding path program 8 times [2024-05-05 17:48:40,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:40,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:40,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 17:48:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:40,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1948531348, now seen corresponding path program 9 times [2024-05-05 17:48:40,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:40,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:41,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 17:48:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:41,708 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 17:48:41,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-05 17:48:41,981 INFO L85 PathProgramCache]: Analyzing trace with hash -467751136, now seen corresponding path program 10 times [2024-05-05 17:48:41,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:41,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 96 proven. 159 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-05-05 17:48:42,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:42,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 96 proven. 159 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-05-05 17:48:43,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-05-05 17:48:43,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=4586, Unknown=0, NotChecked=0, Total=5256 [2024-05-05 17:48:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:43,590 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:43,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 9.515625) internal successors, (609), 64 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-05 17:48:43,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:44,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-05 17:48:44,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-05 17:48:44,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-05 17:48:45,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:45,029 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:45,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:45,029 INFO L85 PathProgramCache]: Analyzing trace with hash 569654276, now seen corresponding path program 8 times [2024-05-05 17:48:45,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:45,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127229553] [2024-05-05 17:48:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:45,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 271 proven. 736 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-05-05 17:48:46,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:46,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127229553] [2024-05-05 17:48:46,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127229553] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:46,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221349265] [2024-05-05 17:48:46,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 17:48:46,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:46,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:46,433 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:46,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-05 17:48:46,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 17:48:46,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:48:46,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-05 17:48:46,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 976 proven. 126 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2024-05-05 17:48:47,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 809 proven. 293 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2024-05-05 17:48:48,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221349265] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:48,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:48,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 70 [2024-05-05 17:48:48,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426766857] [2024-05-05 17:48:48,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:48,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-05-05 17:48:48,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:49,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-05-05 17:48:49,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=515, Invalid=4315, Unknown=0, NotChecked=0, Total=4830 [2024-05-05 17:48:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:49,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:48:49,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 10.428571428571429) internal successors, (730), 70 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:48:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:48:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:49,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:48:49,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-05 17:48:49,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-05 17:48:49,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:48:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:48:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:48:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:48:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:48:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:48:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-05 17:48:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-05 17:48:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-05 17:48:51,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-05 17:48:51,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-05-05 17:48:51,392 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:48:51,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:48:51,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1507681266, now seen corresponding path program 9 times [2024-05-05 17:48:51,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:48:51,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088928720] [2024-05-05 17:48:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 366 proven. 813 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-05-05 17:48:52,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:48:52,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088928720] [2024-05-05 17:48:52,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088928720] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:48:52,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981778042] [2024-05-05 17:48:52,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 17:48:52,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:48:52,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:48:52,980 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:48:53,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-05 17:48:54,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-05 17:48:54,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:48:54,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-05 17:48:54,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:48:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 953 proven. 232 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-05-05 17:48:55,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:48:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 264 proven. 921 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-05-05 17:48:57,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981778042] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:48:57,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:48:57,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31, 31] total 84 [2024-05-05 17:48:57,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426026913] [2024-05-05 17:48:57,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:48:57,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-05-05 17:48:57,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:48:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash -736830887, now seen corresponding path program 11 times [2024-05-05 17:48:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:57,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 17:48:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:48:58,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1910788438, now seen corresponding path program 12 times [2024-05-05 17:48:58,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:58,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:48:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 67 proven. 235 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-05-05 17:48:59,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:48:59,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:48:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 82 proven. 280 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-05-05 17:49:00,505 INFO L85 PathProgramCache]: Analyzing trace with hash -650466123, now seen corresponding path program 13 times [2024-05-05 17:49:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:00,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-05-05 17:49:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:00,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-05-05 17:49:01,509 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 17:49:01,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-05 17:49:01,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1888002826, now seen corresponding path program 14 times [2024-05-05 17:49:01,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:01,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 135 proven. 295 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 17:49:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:02,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 135 proven. 295 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 17:49:03,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-05 17:49:03,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1601455436, now seen corresponding path program 15 times [2024-05-05 17:49:03,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:03,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 135 proven. 295 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 17:49:04,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:04,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 135 proven. 295 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 17:49:05,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1813574300, now seen corresponding path program 16 times [2024-05-05 17:49:05,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:05,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:06,167 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 139 proven. 295 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 17:49:06,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:06,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 139 proven. 295 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 17:49:07,300 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 17:49:07,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-05 17:49:07,528 INFO L85 PathProgramCache]: Analyzing trace with hash -467637808, now seen corresponding path program 17 times [2024-05-05 17:49:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:07,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 139 proven. 295 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-05-05 17:49:08,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:08,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 139 proven. 295 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-05-05 17:49:09,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-05 17:49:09,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1571661320, now seen corresponding path program 18 times [2024-05-05 17:49:09,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:09,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 71 proven. 344 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-05-05 17:49:10,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 71 proven. 344 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-05-05 17:49:11,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-05-05 17:49:11,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1253, Invalid=13999, Unknown=0, NotChecked=0, Total=15252 [2024-05-05 17:49:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:49:11,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:49:11,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 8.119047619047619) internal successors, (682), 84 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:49:11,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-05 17:49:11,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-05 17:49:11,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-05-05 17:49:11,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-05 17:49:13,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-05-05 17:49:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 17:49:13,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-05 17:49:13,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable30,SelfDestructingSolverStorable41,SelfDestructingSolverStorable31,SelfDestructingSolverStorable42,SelfDestructingSolverStorable29,SelfDestructingSolverStorable32,SelfDestructingSolverStorable43,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable28,SelfDestructingSolverStorable39 [2024-05-05 17:49:13,567 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 17:49:13,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:49:13,567 INFO L85 PathProgramCache]: Analyzing trace with hash 258067021, now seen corresponding path program 10 times [2024-05-05 17:49:13,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:49:13,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48246052] [2024-05-05 17:49:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:13,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:49:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 464 proven. 880 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-05-05 17:49:14,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:49:14,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48246052] [2024-05-05 17:49:14,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48246052] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:49:14,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109170856] [2024-05-05 17:49:14,987 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 17:49:14,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:49:14,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:49:14,993 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:49:15,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-05 17:49:15,408 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 17:49:15,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:49:15,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 39 conjunts are in the unsatisfiable core [2024-05-05 17:49:15,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:49:17,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1190 proven. 297 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-05-05 17:49:17,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:49:19,118 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-05 17:49:19,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-05-05 17:49:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 686 proven. 801 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-05-05 17:49:20,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109170856] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:49:20,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:49:20,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35, 35] total 96 [2024-05-05 17:49:20,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724109786] [2024-05-05 17:49:20,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:49:20,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-05 17:49:20,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:49:20,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-05-05 17:49:20,642 INFO L85 PathProgramCache]: Analyzing trace with hash -374750824, now seen corresponding path program 19 times [2024-05-05 17:49:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:49:20,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:49:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:49:20,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 17:49:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 17:49:21,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-05 17:49:21,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:49:21,424 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Function c_aux_v_~q1_back~0_148 is already defined. at de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.declareFun(Scriptor.java:115) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.declareFun(HistoryRecordingScript.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.declareFun(ManagedScript.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.compose(SemanticIndependenceConditionGenerator.java:178) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.withGuard(SemanticIndependenceConditionGenerator.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.generateCondition(SemanticIndependenceConditionGenerator.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:150) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityInterpolantProvider.checkTransitions(ConditionalCommutativityInterpolantProvider.java:175) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityInterpolantProvider.checkState(ConditionalCommutativityInterpolantProvider.java:164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityInterpolantProvider.getInterpolants(ConditionalCommutativityInterpolantProvider.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.refineAbstraction(PartialOrderCegarLoop.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-05-05 17:49:21,443 INFO L158 Benchmark]: Toolchain (without parser) took 76572.35ms. Allocated memory was 284.2MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 211.0MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 481.9MB. Max. memory is 8.0GB. [2024-05-05 17:49:21,443 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 284.2MB. Free memory is still 250.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 17:49:21,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.60ms. Allocated memory is still 284.2MB. Free memory was 210.7MB in the beginning and 197.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-05 17:49:21,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.69ms. Allocated memory is still 284.2MB. Free memory was 197.7MB in the beginning and 194.8MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-05 17:49:21,456 INFO L158 Benchmark]: Boogie Preprocessor took 36.73ms. Allocated memory is still 284.2MB. Free memory was 194.8MB in the beginning and 192.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 17:49:21,456 INFO L158 Benchmark]: RCFGBuilder took 618.59ms. Allocated memory is still 284.2MB. Free memory was 192.4MB in the beginning and 209.0MB in the end (delta: -16.6MB). Peak memory consumption was 18.8MB. Max. memory is 8.0GB. [2024-05-05 17:49:21,457 INFO L158 Benchmark]: TraceAbstraction took 75591.45ms. Allocated memory was 284.2MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 207.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 477.8MB. Max. memory is 8.0GB. [2024-05-05 17:49:21,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 284.2MB. Free memory is still 250.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 260.60ms. Allocated memory is still 284.2MB. Free memory was 210.7MB in the beginning and 197.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.69ms. Allocated memory is still 284.2MB. Free memory was 197.7MB in the beginning and 194.8MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.73ms. Allocated memory is still 284.2MB. Free memory was 194.8MB in the beginning and 192.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 618.59ms. Allocated memory is still 284.2MB. Free memory was 192.4MB in the beginning and 209.0MB in the end (delta: -16.6MB). Peak memory consumption was 18.8MB. Max. memory is 8.0GB. * TraceAbstraction took 75591.45ms. Allocated memory was 284.2MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 207.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 477.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Function c_aux_v_~q1_back~0_148 is already defined. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Function c_aux_v_~q1_back~0_148 is already defined.: de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-05-05 17:49:21,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-05 17:49:21,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...